<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
  <meta charset="UTF-8">
  <title>登录</title>
</head>
<body>
<h2>自定义登录</h2>
<form action="/login.do" method="post">
  username:<input type="text" name="username"><br>
  password:<input type="password" name="password"><br>
  <input type="submit" value="submit">
</form>

</body>
</html>